Resourcesdown chevron
Testimonials
Plans
Sign in
Sign up
Resourcesright arrow
Testimonials
Plans
Bytelearn - cat image with glassesAI tutor

Welcome to Bytelearn!

Let’s check out your problem:

A pencil case contains only black, purple and orange pencils. The ratio of black pencils to purple pencils is 10:9. The ratio of purple pencils to orange pencils is 1:9. Calculate the percentage of pencils that are purple. thetaquad% Submit Answer

A pencil case contains only black, purple and orange pencils. The ratio of black pencils to purple pencils is 10:9 10: 9 . The ratio of purple pencils to orange pencils is 1:9 1: 9 .\newlineCalculate the percentage of pencils that are purple.\newlineθ% \theta \quad \% \newlineSubmit Answer

View step-by-step helpView step-by-step help
Homeright chevron icon
Math Problemsright chevron icon
Grade 7right chevron icon
Percent error: word problemsright chevron icon

Full solution

Q. A pencil case contains only black, purple and orange pencils. The ratio of black pencils to purple pencils is 10:9 10: 9 . The ratio of purple pencils to orange pencils is 1:9 1: 9 .\newlineCalculate the percentage of pencils that are purple.\newlineθ% \theta \quad \% \newlineSubmit Answer
  1. Find Total Pencils: Find the total number of pencils in terms of a single variable based on the given ratios.
  2. Calculate Total: Calculate the total number of pencils.
  3. Calculate Percentage: Calculate the percentage of purple pencils.

More problems from Percent error: word problems

Question
Johnny bought an oil painting originally priced at $80 but on sale for 5050% off. After 1010% sales tax, what was the total cost?\newline`$`____
Get tutor helpright-arrow

Posted 1 month ago

Question
It costs `$40` to buy 44 ironing boards. If the ironing boards all have the same price, how much does it cost to buy 11 ironing board? ` $`_____
Get tutor helpright-arrow

Posted 1 month ago

Question
Whitney buys a lamp online for $93\$93. If shipping and handling are an additional 10%10\% of the price, how much shipping and handling will Whitney pay? \newline $\$ _____\_\_\_\_\_
Get tutor helpright-arrow

Posted 2 months ago

Question
A 99-foot roll of plastic wrap costs $5.40\$5.40. What is the price per inch? \newline $\$ _____
Get tutor helpright-arrow

Posted 1 month ago

Question
A store purchased canoes for $300\$300 and sold them for $435\$435. What percentage is the mark-up? \newlineWrite your answer using a percent sign (%\%). \newline _____
Get tutor helpright-arrow

Posted 1 month ago

Question
A ceramic vase was originally priced at $100\$100 but went on sale for 50%50\% off. If Ernesto bought the ceramic vase and paid 12%12\% sales tax, how much did he pay in total? \newline $\$ ____
Get tutor helpright-arrow

Posted 1 month ago

Question
A 1212-foot roll of aluminum foil costs $7.20\$7.20. What is the price per inch?
Get tutor helpright-arrow

Posted 3 months ago

Question
A 1515-foot roll of paper towel costs $9.75\$9.75. What is the price per inch?
Get tutor helpright-arrow

Posted 1 month ago

Question
A 2020-foot roll of ribbon costs $8.00\$8.00. What is the price per inch?
Get tutor helpright-arrow

Posted 3 months ago

Question
A 66-foot roll of fabric costs $4.50\$4.50. What is the price per inch? \newline $\$ ______
Get tutor helpright-arrow

Posted 1 month ago

View all (112)